Light on calories and heavy on value, some staples are always worth keeping on hand. Here are a few of our healthy and inexpensive favorites.

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Salsa

Instead of prepackaged onion dip, have jarred salsa on hand.

Why? These items cost about the same, but a ¼-cup serving of salsa has just 20 calories, no fat and a serving of vegetables; the same amount of dip contains 120 calories, 10 grams of fat and additives such as monosodium glutamate.